Texas Instruments TPS548D21EVM-784, User Manual

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I
OUT
(A)
V
O
UT
(V)
0 5 10 15 20 25 30
0.99
0.995
1
1.005
1.01
D002
8 V
12 V
16 V
I
OUT
(A)
E
ff
ic
ie
n
c
y
(
%
)
0 5 10 15 20 25 30 35 40
0
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
D001
8 V
IN
12 V
IN
16 V
IN
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Test Procedure
9 SLUUBG3A – July 2016 – Revised August 2016
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Copyright © 2016, Texas Instruments Incorporated
TPS548D21EVM-784, 40-A Single Synchronous Step-Down Converter With
Full Differential Sense
8.3 Equipment Shutdown
1. Reduce the load current to 0 A.
2. Reduce input voltage to 0 V.
3. Shut down the external fan if in use.
4. Shut down equipment.
9 Performance Data and Typical Characteristic Curves
Figure 4 through Figure 15 present typical performance curves for the PWR-784EVM.
SPACE
9.1 Efficiency
Figure 4. Efficiency of 1-V Output vs Load
9.2 Load Regulation
Figure 5. Load Regulation of 1-V Output